82163199 has 16 divisors (see below), whose sum is σ = 117407232. Its totient is φ = 50976288.

The previous prime is 82163173. The next prime is 82163209. The reversal of 82163199 is 99136128.

It is not a de Polignac number, because 82163199 - 2⁵ = 82163167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82163129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13539 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (7337952).

Almost surely, 2^82163199 is an apocalyptic number.

82163199 is a deficient number, since it is larger than the sum of its proper divisors (35244033).

82163199 is a wasteful number, since it uses less digits than its factorization.

82163199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32246.

The product of its digits is 23328, while the sum is 39.

The square root of 82163199 is about 9064.3918163327. The cubic root of 82163199 is about 434.7361750750.

The spelling of 82163199 in words is "eighty-two million, one hundred sixty-three thousand, one hundred ninety-nine".